[更複雜!!但更快秒殺!!] 圓特性速解三角題目 Solving triangle-related problems by circle properties
https://www.youtube.com/watch?v=DfwjT-Oj06s
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[更複雜!!但更快秒殺!!] 圓特性速解三角題目 Solving triangle-related problems by circle properties
https://www.youtube.com/watch?v=DfwjT-Oj06s